.box {
  --border-color: #1c426c;
  --bj-color: rgba(8, 34, 57, 0.4);
  --btn-color: rgba(26, 48, 69, 1);
  width: 4rem;
  height: 2.5rem;
  color: #fff;
  overflow: hidden;
}
.header {
  font-size: 0.2rem;
}
.titleEn {
  color: #5b6873;
  font-size: 0.16rem;
  margin-left: 0.01rem;
}
.changed {
  margin: 0 auto;
}

.box_m {
  width: 70%;
  margin: 0 auto;
  height: 0.5rem;
}
.mian {
  box-sizing: border-box;
  border: 0px solid var(--border-color);
  box-shadow: inset 0 0 0 2px var(--border-color);
  background: var(--bj-color);
  border-radius: 0.06rem;
  padding-bottom: 0.1rem;
}
.mian_m {
  padding: 1% 10%;
  height: 68%;
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 两列，每列平均分配剩余空间 */
  grid-gap: 0.1rem;
  justify-content: center;
  align-items: center;
}
select {
  margin: 0 auto;
  width: 100%;
  height: 0.25rem;
  font-size: 0.16rem;
  border: 0.01rem solid var(--border-color);
  border-radius: 0.04rem;
  background: var(--btn-color);
  color: #fff;
  text-align: center;
  margin-top: 0.05rem;
}
.btn {
  width: 40%;
  margin: 0 auto;
  margin-top: 0.1rem;
  height: 0.3rem;
  border-radius: 0.08rem;
  background: var(--btn-color);
  text-align: center;
  border: 0.01rem solid var(--border-color);
  line-height: 0.3rem;
}
